Ultimate form validation

The script: * real time verifies that a string is numeric, otherwise it deletes the non-numeric character. * watches the status of the CapsLock * verifies a string is empty, numeric, date, alphabetical, email. * verifies the matching of two passwords. * verifies the right format of a phone number. * verifies the minimum or the maximum numbers of the characters in an input. * has language independent error messages. * displays error messages in a div or in an alert box.